Bhagavad Gita: Chapter 15/Verse 4

ततः पदं तत्परिमार्गितव्यं

यस्मिन्गता न निवर्तन्ति भूयः ।

तमेव चाद्यं पुरुषं प्रपद्ये

यतः प्रवृत्तिः प्रसृता पुराणी ॥१५- ४॥

tataḥ padaṃ tatparimārgitavyaṃ

yasmingatā na nivartanti bhūyaḥ ।

tameva cādyaṃ puruṣaṃ prapadye

yataḥ pravṛttiḥ prasṛtā purāṇī ॥15- 4॥

... then that place is to be sought after, in which those gone do not return again. Indeed, I take refuge in that primal spirit, whence the primeval activity flowed. 

tatas (adverb) (indeclinable) = then  

padam (neuter, nominative, singular) = the place 

tad (pronoun, 3rd person, neuter, nominative, singular) = that 

parimārgitavyam (gerundive, neuter, accusative, singular) = to be sought after  

yasmin (neuter, locative, singular) = in which 

gatās (past passive participle, masculine, nominative, plural) = those gone 

na (adverb) (indeclinable) = not

nivartanti (present tense, 3rd person, plural) = they return 

bhūyas (adverb) (indeclinable) = again 

tam (pronoun, 3rd person, masculine, accusative, singular) = that 

eva (adverb) (indeclinable) = indeed  

ca (conjunction) (indeclinable) = and 

ādyam (masculine, accusative, singular) = primal 

puruṣam (masculine, accusative, singular) = spirit 

prapadye (present tense, 1st person, singular) = I take refuge  

yatas (adverb) (indeclinable) = whence 

pravṛttis (feminine, nominative, singular) = activity 

prasṛtā (feminine, nominative, singular) = flowed 

purāṇī (feminine, nominative, singular) = primeval